The header type Power is a member of the class HeaderType. Each object of class Power is called a power expression. Each power expression is also a member of class Expression.
More general types (whose methods may also apply) :
Power -- a type of Expression representing a power.
Normally power expressions with an exponent equal to 1 will not be produced. But it is desirable for factor to return a product of powers, and some of them will have 1 as exponent. The routines for printing of expressions will take this into account, suppress exponents equal to 1, and arrange for parenthesization correctly.
Methods for using a power expression :